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14972180 = 225748609
BaseRepresentation
bin111001000111…
…010100010100
31001011122222012
4321013110110
512313102210
61252523352
7241155446
oct71072424
931148865
1014972180
1184a6903
125020558
133142aa2
141dba496
1514ab305
hexe47514

14972180 has 12 divisors (see below), whose sum is σ = 31441620. Its totient is φ = 5988864.

The previous prime is 14972173. The next prime is 14972201. The reversal of 14972180 is 8127941.

It can be written as a sum of positive squares in 2 ways, for example, as 2553604 + 12418576 = 1598^2 + 3524^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374285 + ... + 374324.

It is an arithmetic number, because the mean of its divisors is an integer number (2620135).

Almost surely, 214972180 is an apocalyptic number.

14972180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14972180 is an abundant number, since it is smaller than the sum of its proper divisors (16469440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14972180 is a wasteful number, since it uses less digits than its factorization.

14972180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748618 (or 748616 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 14972180 is about 3869.3901328246. The cubic root of 14972180 is about 246.4686463666.

The spelling of 14972180 in words is "fourteen million, nine hundred seventy-two thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 748609 1497218 2994436 3743045 7486090 14972180